Small tractor with single cylinder diesel engine&comma; the power from 15-28HP &lpar;Such as Model&colon;170&comma;180&comma;200&comma;220&comma;240&comma;280 etc&period; &rpar; Include all the major brand in Weifang city&colon; Luzhong&lpar;LZ&rpar;&comma; Weituo&lpar;SWT&rpar;&comma; TS series etc&period;

Tractor with three cylinder diesel engine&comma;the power from 25-35HP &lpar; Such as Model 250&sol;254&comma; 280&sol;284&comma; 300&sol;304&comma; 320&sol;324&comma; 350&sol;354 etc&period;&rpar; Include all the major brand&colon; Foton&lpar;FT&rpar;&comma; Luzhong&lpar;LZ&rpar;&comma; Weituo&lpar;SWT&rpar;&comma; TS&comma; DF series etc&period;

Tractor with four cylinder diesel engine&comma; the power from 40-55HP &lpar; Such as Model 400&sol;404&comma; 450&sol;454&comma; 480&sol;484&comma; 500&sol;504&comma; 550&sol;554 etc&period;&rpar; Include all the major brand here&colon; Foton&lpar;FT&rpar;&comma; Luzhong&lpar;LZ&rpar;&comma; Weituo&lpar;SWT&rpar;&comma; TS&comma; DF series etc&period;

Big tractor with four cylinder diesel engine&comma; the power from 70-100HP &lpar; Such as Model 700&sol;704&comma; 750&sol;754&comma; 800&sol;804&comma; 850&sol;854&comma; etc&period;&rpar; Include all the major brand here&colon; Foton&lpar;FT&rpar;&comma; Luzhong&lpar;LZ&rpar;&comma; Weituo&lpar;SWT&rpar;&comma; TS&comma; DF series etc&period;